巨大ガス惑星 きょだいガスわくせい Meanings Noun gas giant See also: 木星型惑星 (もくせいがたわくせい). Kanji 巨 huge. Read as キョ. 大 big. Read as ダイ. 惑 bewilder. Read as ワク. 星 star. Read as セイ. Word lists Astronomy Jinuma: Japanese Dictionary · Word lists